more extensive database seeds (in two languages) (closes foodcoops#277)

db/seeds/seed_helper.rb

@@ -0,0 +1,28 @@
+
+# only works properly for open orders, at the moment
+def seed_group_orders
+  Order.all.each do |order|
+    noas = order.order_articles.count
+    Ordergroup.all.each do |og|
+      # 20% of the order-ordergroup combinations don't order
+      next if rand(10) < 2
+      # order 3..12 times a random article
+      go = og.group_orders.create(order: order)
+      (3+rand(10)).times do
+        goa = go.group_order_articles.find_or_create_by(order_article: order.order_articles.offset(rand(noas)).first)
+        unit_quantity = goa.order_article.price.unit_quantity
+        goa.update_quantities rand([4, 2*unit_quantity+2].max), rand(unit_quantity)
+      end
+    end
+    # update totals
+    order.order_articles.map(&:update_results!)
+    order.group_orders.map(&:update_price!)
+  end
+end
+
+def seed_order(options={})
+  options[:article_ids] ||= (options[:supplier]||Supplier.find(options[:supplier_id])).articles.map(&:id)
+  options[:created_by_user_id] ||= 1
+  Order.create options
+end
+